Non-stored-pressure slow-release jet fire extinguishing device

Abstract

The utility model discloses a non-stored-pressure slow-release jet type fire extinguishing device which comprises a device body, an initiator is arranged on the upper surface of the device body, the initiator is respectively connected with a first gas generator and a second gas generator through wires, and the first gas generator is installed inside the device body. According to the fire extinguishing device, when a fire occurs, the trigger starts the first gas generator and the second gas generator through the wires, the first gas generator generates a large amount of gas in a short time, dry powder in the device body is sprayed out through the lower spray head and the side spray head, and fire extinguishing operation is carried out on a fire-catching place; and the second gas generator also generates a large amount of gas which is blown to the side spray head through the connecting hollow pipe, so that power is further provided for spraying of the dry powder, and it is ensured that the dry powder at the side spray head can be sprayed to a set position.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishing devices, in particular to a non-pressure storage slow-release spray type fire extinguishing device. Background Art

[0002] Fire extinguishers, as essential items for dealing with fires, are widely used in every corner of buildings, etc., so that people can use them in emergency situations.

[0003] After searching, the announcement number is: CN219847950U. A suspended dry powder fire extinguishing device includes a container storing pressurized or non-pressurized dry powder fire extinguishing agent and a fire extinguishing nozzle group installed at the lower end of the container body, wherein the fire extinguishing nozzle group is arranged at the lower end of the container body to form a rectangular fire extinguishing protection area below the container; by arranging the fire extinguishing nozzle group at the lower end of the container storing non-pressurized or pressurized dry powder fire extinguishing agent, a rectangular fire extinguishing protection area is formed below the container; in this way, the effective fire extinguishing protection area of ​​the existing suspended fire extinguishing device is expanded; at the same time, it is used in special occasions such as belt conveyors with long length and narrow width protection objects or narrow cable trenches and cable mezzanines, so that the suspended fire extinguishing device has higher fire extinguishing efficiency, larger protection range and higher reliability.

[0004] The existing technology has the following problems:

[0005] Although the above-mentioned new type has the advantages of higher fire extinguishing efficiency and larger protection range, the expanded fire extinguishing range is limited and it is difficult to reach the ideal range. For example, the gas pressure is fixed, but there are multiple nozzles. When the gas sprays the dry powder from multiple nozzles, the gas is diverted, and it is inevitable that the dry powder will be "incapable" of spraying, and thus the ideal fire extinguishing range cannot be achieved.

[0006] To this end, we proposed a non-pressure storage slow-release spray type fire extinguishing device to solve the above-mentioned drawbacks. Utility Model Content

[0007] The utility model aims to solve the shortcomings of the prior art that the expanded fire extinguishing range is limited and it is difficult to reach the ideal range, and proposes a non-storage pressure slow-release spray type fire extinguishing device.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A non-pressure storage slow-release injection type fire extinguishing device includes a device body, an initiator is arranged on the upper surface of the device body, the initiator is respectively connected to a first gas generator and a second gas generator through wires, the first gas generator is installed inside the device body, the second gas generator is installed on the outer side of the device body, the gas outlet of the second gas generator is connected to a connecting hollow tube through an air pipe, and one end of the connecting hollow tube is connected to a side nozzle, the connecting hollow tube is installed on the side surface of a connecting tube seat, and the connecting tube seat is installed on the lower surface of the device body, and the lower surface of the connecting tube seat is provided with a lower nozzle.

[0010] Preferably, a plurality of the side nozzles are provided, and the plurality of the side nozzles are distributed in a circular array on the side surface of the connecting pipe seat through connecting hollow pipes.

[0011] Preferably, the side nozzle has an overall arc-shaped structure.

[0012] Preferably, a hot start wire is connected to the upper surface of the initiator, and a connecting terminal is installed at the end of the hot start wire.

[0013] Preferably, a protective cover is provided on the outer surface of the device body and located outside the second gas generator.

[0014] Preferably, the upper surface of the device body is connected to a mounting seat via a fixing rod, and a mounting hole is provided on the surface of the mounting seat.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The utility model is provided with a device body, an initiator, a first gas generator, a second gas generator, a connecting seat, a lower nozzle, a side nozzle, a connecting hollow tube and a gas pipe. When a fire occurs, the initiator starts the first gas generator and the second gas generator through a wire. The first gas generator generates a large amount of gas in a short period of time, and the dry powder in the device body is sprayed out through the lower nozzle and the side nozzle to extinguish the fire. The second gas generator also generates a large amount of gas, which is blown to the side nozzle through the connecting hollow tube, thereby providing power for the spraying of the dry powder and ensuring that the dry powder at the side nozzle can be sprayed to a predetermined position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0018] Figure 1 This is a structural schematic diagram of a non-pressure storage slow-release spray type fire extinguishing device proposed by the utility model;

[0019] Figure 2This is a schematic diagram of the interior of a non-pressure storage slow-release spray type fire extinguishing device proposed by the utility model;

[0020] Figure 3 The utility model provides a schematic diagram of the overall structure of a side nozzle of a non-pressure storage slow-release spray type fire extinguishing device.

[0021] Legend:

[0022] 1. Device body; 2. Mounting base; 3. Initiator; 4. Hot start line; 5. First gas generator; 6. Second gas generator; 7. Connecting pipe base; 8. Lower nozzle; 9. Side nozzle; 10. Connecting hollow tube; 11. Air pipe; 12. Protective cover; 13. Fixing rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0024] Please refer to Figure 1-3 A non-pressure storage slow-release injection type fire extinguishing device includes a device body 1, an initiator 3 is arranged on the upper surface of the device body 1, the initiator 3 is respectively connected to a first gas generator 5 and a second gas generator 6 through wires, the first gas generator 5 is installed inside the device body 1, and the second gas generator 6 is installed on the outer side of the device body 1, the gas outlet of the second gas generator 6 is connected to a connecting hollow tube 10 through an air pipe 11, and one end of the connecting hollow tube 10 is connected to a side nozzle 9, the connecting hollow tube 10 is installed on the side surface of a connecting pipe seat 7, and the connecting pipe seat 7 is installed on the lower surface of the device body 1, and a lower nozzle 8 is arranged on the lower surface of the connecting pipe seat 7, and a plurality of side nozzles 9 are arranged, and the plurality of side nozzles 9 are distributed on the side surface of the connecting pipe seat 7 in a ring array through the connecting hollow tube 10.

[0025] In this embodiment: when a fire occurs, the initiator 3 starts the first gas generator 5 and the second gas generator 6 through a wire. The first gas generator 5 generates a large amount of gas in a short period of time, and sprays the dry powder in the device body 1 through the lower nozzle 8 and the side nozzle 9 to extinguish the fire. The second gas generator 6 also generates a large amount of gas, which is blown to the side nozzle 9 through the connected hollow tube 10, thereby providing further power for the spraying of the dry powder, ensuring that the dry powder at the side nozzle 9 can be sprayed to the predetermined position.

[0026] Specifically, the side nozzle 9 is an arc-shaped structure as a whole.

[0027] In this embodiment: the spraying range is further expanded.

[0028] Specifically, the upper surface of the initiator 3 is connected with a hot start wire 4 , and the end of the hot start wire 4 is installed with a connection terminal.

[0029] In this embodiment: by providing a hot start line 4, it is convenient to connect with an external smoke sensor, and then use it in linkage.

[0030] Specifically, a protective cover 12 is provided on the outer surface of the device body 1 and outside the second gas generator 6 .

[0031] In this embodiment, a protective cover 12 is provided to protect the second gas generator 6 and prevent the second gas generator 6 from being damaged due to collision during transportation.

[0032] Specifically, the upper surface of the device body 1 is connected to the mounting seat 2 via a fixing rod 13 , and a mounting hole is provided on the surface of the mounting seat 2 .

[0033] In this embodiment: the mounting base 2 is used to suspend and mount the fire extinguishing device.

[0034] Working principle: When a fire occurs, the initiator 3 starts the first gas generator 5 and the second gas generator 6 through a wire. The first gas generator 5 generates a large amount of gas in a short time, and sprays the dry powder in the device body 1 through the lower nozzle 8 and the side nozzle 9 to extinguish the fire. The second gas generator 6 also generates a large amount of gas, which is blown to the side nozzle 9 through the connected hollow tube 10, providing further power for the spraying of the dry powder, ensuring that the dry powder at the side nozzle 9 can be sprayed to the predetermined position.

[0035] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A non-pressure storage slow-release spray type fire extinguishing device, comprising a device body (1), characterized in that: An initiator (3) is provided on the upper surface of the device body (1), and the initiator (3) is connected to a first gas generator (5) and a second gas generator (6) respectively through wires, the first gas generator (5) is installed inside the device body (1), and the second gas generator (6) is installed on the outer side of the device body (1), the gas outlet of the second gas generator (6) is connected to a connecting hollow tube (10) through an air pipe (11), and one end of the connecting hollow tube (10) is connected to a side nozzle (9), the connecting hollow tube (10) is installed on the side surface of a connecting tube seat (7), and the connecting tube seat (7) is installed on the lower surface of the device body (1), and a lower nozzle (8) is provided on the lower surface of the connecting tube seat (7).

2. A non-pressure storage slow-release spray type fire extinguishing device according to claim 1, characterized in that: A plurality of the side nozzles (9) are provided, and the plurality of the side nozzles (9) are distributed in a ring array on the side surface of the connecting pipe seat (7) through the connecting hollow pipe (10).

3. A non-pressure storage slow-release spray type fire extinguishing device according to claim 1, characterized in that: The side nozzle (9) is an overall arc-shaped structure.

4. A non-pressure storage slow-release spray type fire extinguishing device according to claim 1, characterized in that: The upper surface of the initiator (3) is connected to a hot start wire (4), and a connection terminal is installed at the end of the hot start wire (4).

5. A non-pressure storage slow-release spray type fire extinguishing device according to claim 1, characterized in that: A protective cover (12) is provided on the outer surface of the device body (1) and located outside the second gas generator (6).

6. A non-pressure storage slow-release spray type fire extinguishing device according to claim 1, characterized in that: The upper surface of the device body (1) is connected to a mounting seat (2) via a fixing rod (13), and a mounting hole is provided on the surface of the mounting seat (2).

Images